#VU11309 Heap-based buffer over-read in Netpbm - CVE-2018-8975

Vulnerability identifier: #VU11309

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-8975

CWE-ID: CWE-126

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Netpbm
Universal components / Libraries / Libraries used by multiple products

Vendor: netpbm.sourceforge.net

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the pm_mallocarray2 function due to heap-based buffer over-read. A remote attacker can submit a specially crafted image, trigger memory corruption and cause the service to crash.

Mitigation
Cybersecurity is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

Netpbm: 10.47.00 - 10.81.03

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External links
https://github.com/xiaoqx/pocs/tree/master/netpbm

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.